Anjani Saskia Putri; Endang Diyah Ikasari; Ungsari Rizki Eka Purwanto. Optimization of HPMC and Glycerine in Essence of Sheet Mask Containing Centella Asiatica (L.) Urb. Extract and Snail Mucus (Achatina Fulica) As A Moisturizer. J. Food Pharm. Sci 2024, 12, 97-107.